Discussion with all Leg 176 shipboard scientists has been very beneficial. Formal reviews by Jamie Allen and Kent Ross are acknowledged. Editorial efforts by Jay Miller and other ODP staff are acknowledged with gratitude. Y.N. thanks Cardiff University and a NERC Senior Research Fellowship for full support during the revision and finalization of the paper.
This research used samples and/or data provided by the Ocean Drilling Program (ODP). ODP is sponsored by the U.S. National Science Foundation (NSF) and participating countries under management of Joint Oceanographic Institutions (JOI), Inc. Funding for this research was provided by the Australian Research Council and Australian ODP Secretariat.